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elena-s [515]
3 years ago
9

The hardware store sells batteries individually. Five batteries.cost $4.50, and seven

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
6 0

Answer:

i think the answer is 7.20

Step-by-step explanation:

geniusboy [140]3 years ago
6 0

Answer:

It's 7.20

Step-by-step explanation:

4.5/how many batteries sold at that amount

4.50/5

=0.9

8 batteries =6.30+0.90

=7.20

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Step-by-step explanation:

1. You can find the t value of the vertex of the parabola as following:

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3. Substitute the vaue obtained into the equation given in the problem. Therefore, you obtain the following result:

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